20365160

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4943}}^1$

素因数の和:5057

約数の個数: 32

約数和(自身を含む): 46275840

約数和(自身を除く): 25910680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4943, 9886, 19772, 24715, 39544, 49430, 98860, 197720, 509129, 1018258, 2036516, 2545645, 4073032, 5091290, 10182580, 20365160]

約数ペア:

[(1, 20365160), (2, 10182580), (4, 5091290), (5, 4073032), (8, 2545645), (10, 2036516), (20, 1018258), (40, 509129), (103, 197720), (206, 98860), (412, 49430), (515, 39544), (824, 24715), (1030, 19772), (2060, 9886), (4120, 4943)]